In this activity, students engage in an ongoing investigation to find patterns of sunlight and shadow in a classroom (or any room that gets sunlight) at different times of the day and different times of the year. Students look for repeating...(View More) patterns, keep a log to describe and sketch observations of when and where certain easily recognized patters appear and turn the room into a solar calendar that may survive into the future for other classes to use. Part 1 of this activity requires occasional note-taking and casual observation over the course of a day. Part 2 requires 30-60 minutes to create the calendar record, then casual observation and note-taking throughout the school year. The lesson plan includes a math extension activity and background information about the Sun Dagger at Chaco Canyon. This activity is the third lesson in the Ancient Eyes Look to the Skies curriculum guide.(View Less)